the402 x402 endpoint directory

Verify and search ICD-10-CM diagnosis codes against the official US code set (FY2026, ~98k entries). Pass code (with o

Look up or search NAICS 2022 industry classification codes (US Census Bureau, public domain). Pass `code` for an exact

Look up a single Twitter/X tweet by its numeric tweet ID. Returns full tweet data including text, author profile, crea

Rigoblock direct DeFi tool invocation. POST to /api/tools?toolName={name} with arguments object.

Extract deterministic Markdown and metadata from a public HTTPS PDF URL or a base64 PDF payload. Enforces public-netwo

Earnings release calendar — which US-listed companies report earnings in a date window, with expected and (once report

Geolocate a single IPv4 or IPv6 address. Returns country (name + ISO code), region (name + code), city, ZIP, lat/lon,

Modern WHOIS via RDAP. Query: domain (e.g. example.com). Returns { domain, ldhName, handle, registrar:{ name, ianaId,

Aggregated insider sentiment for a US-listed company, by month. For each month returns the net change in insider share

GitHub user or organization profile: login, name, company, blog, location, bio, type (User/Organization), followers, f

List a repository's releases: tag, name, draft/prerelease flags, author, published time, and release notes body. Pagin

US Drought Monitor severity for a county (5-digit FIPS) or state (2-letter code). Returns the weekly percent of area i

USDA NASS QuickStats — authoritative US agricultural statistics: crop yields, acreage, production, livestock inventory

Detect Chinese in text: whether it contains Han characters, how many, total length, and a script classification — simp

Search code across GitHub with the code-search syntax (e.g. 'defineEndpoint repo:AlleyFord/2s' or 'addEventListener la

Fetch a repository's README, decoded to UTF-8 text (name, path, size, content, URL). Optionally pin to a branch/tag/sh

Search GitHub repositories with the full query syntax (e.g. 'x402 language:typescript stars:>100'). Sort by stars/fork

Git tags of a repository (name + commit sha), most recent first. Pair with github.releases for published releases. Rea

GitHub repository metadata: full name, owner, description, stars, forks, watchers, open issues, primary language, topi

Validate an email address and return structured signals: RFC syntax validity (isSyntaxValid + reason if not), the norm

Recent news articles about a specific US-listed company. Pass ticker and optionally a from/to date window (YYYY-MM-DD;

Compute sunrise, sunset, solar noon, and civil/nautical/astronomical twilight times for a coordinate + date. Query: la

Find points of interest near a coordinate. Backed by OpenStreetMap via the Overpass API (free, public, ODbL). Returns

MLB games for a date (and optionally one team), via the official MLB Stats API (free/keyless). Each game: gamePk, star

Convert Chinese text between Simplified and Traditional scripts (and regional variants). from/to take: cn (Mainland Si

Country-level financial and credit reference data: sovereign credit rating, equity risk premium, country risk premium,

Occupational employment and wages from the BLS OEWS survey, by SOC occupation code, nationally or for a US state. Pass

Observer-local sky almanac for any lat/lon and time (default now). Returns the Sun's next rise/set + current altitude/

IPO calendar — companies going public (or recently public) in a date window, with the expected date, symbol, name, exc

UK Food Standards Agency food hygiene ratings (FHRS) for an establishment. Search by business name and/or postcode and

Fetch a Wikipedia article summary in any of 30 supported languages. Returns title, displayTitle, lang, pageId, descrip

Convert Chinese (Hanzi) text to pinyin romanization. Choose tone marks (symbol, e.g. hàn yǔ), numbered tones (han4 yu3

Generate UUIDs. version v4 (random) or v7 (time-ordered, sortable); count 1-100. Cryptographically random. Pure comput

Is a stock exchange open right now? Pass exchange (default US); returns whether trading is open, the current session (

Commit history for a repository: sha, message, author name + GitHub login, date, and URL. Optionally filter by branch/

Fetch any URL and return its article content with the clutter stripped — nav, ads, sidebars, footers, scripts, styles,

US Census ACS 5-year demographics for a state or county. Give a state (2-letter or 2-digit FIPS), optionally a 3-digit

GPT-5.6 Luna chat for mainstream short answers, routing decisions, extraction helpers, and buyer trials. The legacy mi

ERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneSource li

Live wallet balance - native ETH plus any ERC20 tokens in one call via eth_getBalance and balanceOf on OneSource Ether

Total supply of an ERC20 or ERC721 token contract via totalSupply (eth_call)

Look up the current owner of an ERC721 NFT by token_id via ownerOf (eth_call)

ERC20 allowance via allowance (eth_call) - how much a spender is approved to move from an owner's wallet

ERC1155 token balance via balanceOf (eth_call) - how many copies of a token_id a wallet holds

TradFi macro intelligence: indices, VIX, DXY, treasury yields, commodities, and individual stock quotes with moving av

Latest SEC EDGAR filings for any US-listed company by stock ticker or CIK: 10-K annual reports, 10-Q quarterly reports

Extract full text content from specific URLs. Priced at $0.002/URL — total = urls.length × $0.002.

Latest SEC EDGAR filings for any US-listed company by stock ticker or CIK: 10-K annual reports, 10-Q quarterly reports

Adjust a US dollar amount for inflation between two dates ('what is $100 in 1990 worth today?'). Pass amount, from (YY

Look up or search the global LEI (Legal Entity Identifier) registry — the authoritative ISO 17442 directory of ~2.6M l